Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.

Abstract: A receiving apparatus includes at least two first radio frequency signal processors and a first analog signal processor. The at least two first radio frequency signal processors are coupled to the first analog signal processor using at least one first switch circuit. The first radio frequency signal processor is configured to obtain a radio frequency signal to obtain a first analog signal. The first analog signal processor is configured to obtain a first baseband signal based on the first analog signal.

Abstract: In a distance detection method, a target apparatus receives a first transmit signal from a detection apparatus. The target apparatus generates a first echo signal by modulating some of reflected signals of the first transmit signal to cause a first Doppler shift between the first echo signal and the first transmit signal. The target apparatus emits the first echo signal to the detection apparatus, which derives its distance from the target apparatus based on the first echo signal.

Abstract: A tire parameter monitoring apparatus, method, and system are provided. The apparatus includes a receiver, a processor, and an output circuit. The receiver may be configured to receive an excitation signal. The processor may be configured to determine an output parameter, such as a frequency, a phase, or an amplitude, of a reflected output signal based on a monitoring parameter of a tire, where resonance frequency information of the tire is related to the monitoring parameter of the tire, and the output parameter of the output signal is related to the resonance frequency information of the tire. Passive tire pressure monitoring can be performed, so that production and use costs of the tire pressure monitoring system can be reduced, and reliability can be improved.

Abstract: This application provides a lens antenna, a detection apparatus, and a communications apparatus. The lens antenna includes a feed source, a radio frequency switch, at least two narrow beam radiation units, and a wide beam radiation unit. The feed source may selectively feed any narrow beam radiation unit or the wide beam radiation unit by using the radio frequency switch. The narrow beam radiation unit or the wide beam radiation unit may be connected to the feed source by switching of the radio frequency switch. A first radiation region of the wide beam radiation unit covers a second radiation region of each narrow beam radiation unit. The wide beam radiation unit includes a plurality of radiation sub-units, and the plurality of radiation sub-units are connected to the radio frequency switch by using a power splitter. In this way, radiation of the plurality of radiation sub-units forms a wide beam.

Abstract: This application pertains to the field of sensors, and in particular, relates to a millimeter-wave radar, for example, a 77 GHz millimeter-wave radar, and provides an antenna structure, a radar, and a terminal, so that an operating bandwidth of an antenna can be extended. The solution in this application may be used for precision detection and distance detection in the field of autonomous driving or intelligent driving. The antenna structure includes a power division unit, a first antenna bay, and a second antenna bay. The first antenna bay is connected to a first output end of the power division unit, and the second antenna bay is connected to a second output end of the power division unit.

Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.

Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.

Abstract: A radio communication apparatus includes: a first duplexer, configured to receive a first carrier aggregation signal from a third switch, filter the first carrier aggregation signal to divide the first carrier aggregation signal into a first carrier signal and a second carrier signal, input the first carrier signal to a first switch, and input the second carrier signal to a second switch. The first carrier signal and the second carrier signal are downlink signals. The apparatus further includes: a radio frequency unit, configured to receive the first carrier signal from the first switch, receive the second carrier signal from the second switch, and demodulate the first carrier signal and the second carrier signal.

Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.

Abstract: A radio communication apparatus includes: a first duplexer, configured to receive a first carrier aggregation signal from a third switch, filter the first carrier aggregation signal to divide the first carrier aggregation signal into a first carrier signal and a second carrier signal, input the first carrier signal to a first switch, and input the second carrier signal to a second switch. The first carrier signal and the second carrier signal are downlink signals. The apparatus further includes: a radio frequency unit, configured to receive the first carrier signal from the first switch, receive the second carrier signal from the second switch, and demodulate the first carrier signal and the second carrier signal.

Abstract: Embodiments of the present invention provide a communication terminal apparatus and a method. The communication terminal apparatus includes: a switch unit, a radio frequency unit, and a controller. The controller controls the switch unit to perform switching according to a preset ratio of uplink signal time duration resources to downlink signal time duration resources. The embodiments of the present invention can solve a problem of inflexible uplink and downlink time duration resource configuration.

Abstract: Embodiments of the present invention provide a radio frequency transmit-receive apparatus, a terminal, and a method. The radio frequency transmit-receive apparatus according to the present invention includes: a first antenna unit, a duplexer, a radio frequency unit, and a signal selecting unit. The embodiments of the present invention can solve a problem of inflexible uplink and downlink resource configuration in a radio frequency transmit-receive apparatus in the prior art.

Abstract: Embodiments of the present invention provide a communication terminal apparatus and a method. The communication terminal apparatus includes: a switch unit, a radio frequency unit, and a controller. The controller controls the switch unit to perform switching according to a preset ratio of uplink signal time duration resources to downlink signal time duration resources. The embodiments of the present invention can solve a problem of inflexible uplink and downlink time duration resource configuration.

Abstract: Embodiments of the present invention provide a radio frequency transmit-receive apparatus, a terminal, and a method. The radio frequency transmit-receive apparatus according to the present invention includes: a first antenna unit, a duplexer, a radio frequency unit, and a signal selecting unit. The embodiments of the present invention can solve a problem of inflexible uplink and downlink resource configuration in a radio frequency transmit-receive apparatus in the prior art.

Abstract: Embodiments of the present invention provide a radio frequency transmit-receive apparatus, a terminal, and a method. The radio frequency transmit-receive apparatus according to the present invention includes: a first antenna unit, a duplexer, a radio frequency unit, and a signal selecting unit. The embodiments of the present invention can solve a problem of inflexible uplink and downlink resource configuration in a radio frequency transmit-receive apparatus in the prior art.

Abstract: The present invention provides a radio frequency channel, including: a first antenna, a low noise amplifier, a power divider, at least two first single-pole, n-throw switches, at least four first filters, and at least two first radio frequency chips. The power divider divides a received radio frequency signal into two first radio frequency sub-signals, and transmits the two first radio frequency sub-signals to the at least four first filters, where the at least four first filters correspond to at least four filtering bands and the at least four first filters may cover frequency bands involved in at least six carrier aggregation CA technologies, the at least four first filters filter the first radio frequency sub-signals, and the at least two first radio frequency chips process the filtered first radio frequency sub-signals.

Abstract: The present invention provide a radio frequency channel, including: a first antenna, a low noise amplifier, a power divider, at least two first single-pole, n-throw switches, at least four first filters, and at least two first radio frequency chips. The power divider divides a received radio frequency signal into two first radio frequency sub-signals, and transmits the two first radio frequency sub-signals to the at least four first filters, where the at least four first filters correspond to at least four filtering bands and the at least four first filters may cover frequency bands involved in at least six carrier aggregation CA technologies, the at least four first filters filter the first radio frequency sub-signals, and the at least two first radio frequency chips process the filtered first radio frequency sub-signals.

Abstract: Embodiments of the present invention provide a radio frequency transmit-receive apparatus, a terminal, and a method. The radio frequency transmit-receive apparatus according to the present invention includes: a first antenna unit, a duplexer, a radio frequency unit, and a signal selecting unit. The embodiments of the present invention can solve a problem of inflexible uplink and downlink resource configuration in a radio frequency transmit-receive apparatus in the prior art.